A study of the coumarins ofHaplophyllum obtusifoliumby13C NMR spectroscopy
✍ Scribed by É. Kh. Batirov; A. D. Matkarimov; V. M. Malikov; E. Seitmuratov
- Book ID
- 112377518
- Publisher
- Springer
- Year
- 1982
- Tongue
- English
- Weight
- 141 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0009-3130
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&&act-The '%ZNMR chemical shifts of eleven hydroxy-, two hydroxymethoxy xanthones, and xanthone-C-gfucoside, mangiferin. arc presented and analyzed. Hydroxy substituent effects depending on substituent lxmition as well as on shielded ring carbon position have been evaluated. Hydroq substituent incre